Paris Observatory Geodetic VLBI Center

Radio source coordinate time series for 1930+447 (2026b, independent mode)

Data - BVID - NED - MOJAVE - SIMBAD - PanSTARRS-1

Right ascension: 293.0449635840135°
Declination: 44.9062636554468°
No. sessions: 4
No. delays: 102
Defining: No
RMS(α cos δ) = 2.1202 mas
RMS(δ) = 0.6841 mas
Variability ellipse semimajor axis = 2.1492 mas
Variability ellipse semiminor axis = 0.5868 mas
Variability ellipse position angle = -80.2 deg
Equivalent α-δ correlation = -0.49

Observed in only 4 session(s)

Quarterly time series for 1930+447 (2026b, 4 global solutions)

Data

Right ascension: 293.0449634583456°
Declination: 44.9062636225584°
No. sessions: 4
No. delays: 102
Defining: No
RMS(α cos δ) = 2.3785 mas
RMS(δ) = 0.9946 mas
Variability ellipse semimajor axis = 2.4004 mas
Variability ellipse semiminor axis = 0.9404 mas
Variability ellipse position angle = 81.5 deg
Equivalent α-δ correlation = 0.30

Observed in only 4 session(s)